Further to our earlier advisory this afternoon, we now understand that McAfee have suspended DAT 5958 from their update network.
In a circular email, McAfee have stated:-
The 5958 DAT has been removed from McAfee download servers, preventing any further impact to corporate customers. McAfee teams are working with the highest priority to support impacted customers and plan to provide an update virus definition file shortly.
McAfee have provided more details on their web site and on the McAfee Community Web Site. These sites are currently running slowly because of the huge demands being placed on them at present.
Anecdotal reports being picked up by us show huge number of sites being affected world-wide, some with thousands of machines being affected.
Our current understanding is that this only affects Windows XP SP3 machines.